DBSPECTRA ATS8TMA10, 806-816 MHz Tower Top Amplifier 18 gain, 15VDC, 14dB Return Loss min. Built-in Quadrature Amplifier of 40 dBm for better reliability, lower noise and higher IP3. Excellent filtering before LNA for receiver system protection. Aluminum canister design for less wind loading and better weather protection. Receive signal improvement for long coaxial cable runs. Automatic bypass of top amplifier.